gif transparency

this setup involves two gifs: a background gif composed of a two pixel image where the top pixel is a dark grey, the bottom light. the second image is 700X80, and is text with a simple graphic. I want to put the the graphic on top of the the background so

<body background="pict1.gif">
<img src="pict2.gif"/>
</body>

except that around the letters and the simple graphic in the second image, i get a straight white fuzzy border and not the sharpness i want. i'm using the illustrator10/photoshop7 combo. any help would be appreciated.